PROBLEM TO BE SOLVED: To provide an anti-aging agent, an antioxidant, an anti-inflammatory agent, a whitening agent and a humectant which can be applied widely in the fields of a skin care preparation and a functional oral component.SOLUTION: A plant of the genus Parmentiera in the family of Bignoniaceae or its extract is contained in the anti-aging agent, the antioxidant, the anti-inflammatory agent, the whitening agent, the humectant, the skin care preparation and the functional oral component.